ML20117N208

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Monthly Operating Repts for Limerick Generating Station for Aug 1996
ML20117N208
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 08/31/1996
From: Gallagher M, Henricks D
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9609190017
Download: ML20117N208 (11)
v • d • e


Text

-

Limnick Gtntrating Stztion

. 1 . .  ;

. + l PECO NUCLEAR ecco e"ersvco-oe"v PO Box 2300 A UMr or PECO ENtucy San tog . PA 19464-0920 i

l T.S.6.9.1.6 September 12,1996 Docket Nos. 50-352  !

50-353 l License Nos. NPF-39 '

NPF-85

. U. S. Nuclear Regulatory Commission i Attn: Document Control Desk l Washington, DC 20555 l l

Subject:

Limerick Generating Station Monthly Operating Report For Units 1 and 2 Enclosed are the monthly operating reports for Limerick Units 1 and 2 for the ,

month of August 1996 forwarded pursuant to Technical Specification 6.9.1.6.  !

Very truly yours,

/ . ,-

Michael P. Gallagher Director - Site Engineering drh Enclosures cc: T. T. Martin, Administrator, Region 1, USNRC N. S. Peny, USNRC Senior Resident Inspector LGS W. G. MacFarland, Vice President, LGS 9609190017 960831 PDR ADOCK 05000352 i /

R pyg QG f ,

i

.. Dock:t No. 50-352

' AttachmInt to Monthly Operating Report for August 1996 Limerick Generating Station Unit 1 August 1 through August 31,1996

1. Narrative Summary of Operatina Experiences Unit i began the month of August 1996 at a nominal 100% of rated thermal power (RTP).

J On August 2,1996 at 1050 hours0.0122 days <br />0.292 hours <br />0.00174 weeks <br />3.99525e-4 months <br />, power was reduced to 98% RTP for hydraulic control  !

unit accumulator trouble shooting and repair. Power was restored to 100% RTP at 1126 hours0.013 days <br />0.313 hours <br />0.00186 weeks <br />4.28443e-4 months <br />.

I On August 2,1996 at 1702 hours0.0197 days <br />0.473 hours <br />0.00281 weeks <br />6.47611e-4 months <br />, power was reduced to 90% RTP for control rod pattem adjustments. Power was raised to 98% RTP at 1753 hours0.0203 days <br />0.487 hours <br />0.0029 weeks <br />6.670165e-4 months <br />. At 2020 hours0.0234 days <br />0.561 hours <br />0.00334 weeks <br />7.6861e-4 months <br />, power was reduced to 85% RTP due to a feedwater heater drain valve malfunction. i Power was further reduced at 2223 hours0.0257 days <br />0.618 hours <br />0.00368 weeks <br />8.458515e-4 months <br /> to 77% RTP to ensure adequate margin during feedwater recovery. Power was restored to 100% RTP on August 3,1996 at 0422 hours0.00488 days <br />0.117 hours <br />6.977513e-4 weeks <br />1.60571e-4 months <br />.  !

l On August 9,1996 at 1430 hours0.0166 days <br />0.397 hours <br />0.00236 weeks <br />5.44115e-4 months <br />, power was reduced to 98% RTP for main turbine 1 valve testing. Power was restored to 100% RTP at 1815 hours0.021 days <br />0.504 hours <br />0.003 weeks <br />6.906075e-4 months <br />.  !

On August 17,1996 at 2310 hours0.0267 days <br />0.642 hours <br />0.00382 weeks <br />8.78955e-4 months <br />, power was reduced to 91% RTP for main turbine I and main steam isolation valve testing. Power was restored to 100% RTP on August 18,1996 at 0320 hours0.0037 days <br />0.0889 hours <br />5.291005e-4 weeks <br />1.2176e-4 months <br />. j On August 24,1996 at 0210 hours0.00243 days <br />0.0583 hours <br />3.472222e-4 weeks <br />7.9905e-5 months <br />, power was reduced to 98% RTP for main turbine i valve testing. Power was restored to 100% RTP at 0313 hours0.00362 days <br />0.0869 hours <br />5.175265e-4 weeks <br />1.190965e-4 months <br />.

On August 31,1996 at 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP at 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />.

Unit 1 ended this month operating at 100% RTP.

II. Chailtnics to Main Steam Safety Relief Valves There \ vere no challenges to the Main Steam Safety Relief Valves during the month of August.

AVERAGE DAILY POWER LEVEL ,

DOCKET NO. 50-352 '

UNIT LIMERICKUNIT1

  • DATE SEPTEMBER 11,1996
  • COMPANY PECO ENERGY COMPANY DAVID R. HENRfCKS ,

REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718-3772 MONTH AUGUST,1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET) (MWE-NET) 1 1100 17 1096 2 1058 18 1088 3 1074 19 1104 4 1099 20 1095 -

5 1095 21 1100 6 1095 22 1092 7 1091 23 1092 8 1100 24 1096 9 1096 25 1101 10 1100 26 1105 11 1104 27 1097 12 1104 28 1099 13 1105 29 1005 14 1103 30 1104 15 1096 31 1100 16 1099

~-__ - .--

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OPERATING DATA REPORT ~

DOCKET NO. 50 - 3Ei2 DATE SEPTEMBER 11,1996 ,

COMPLETED BY PECO ENERGY COMPANY DAVID R. HENRICKS ,

t REPORTS ENGINEER SITE ENGINEERING UMERfCK GENERATING STATION TELEPHONE (610) 718-3772 OPERATING STATUS

1. UNIT NAME: _ . . L.I.M...E.. RICK U.N.I.T.._1
2. REPORTING PERIOD: AUGUST,1996 GREATER THAN 20% THIS MONTH
3. LICENSED THERMAL POWER (MWT):,_ 3458 DUE TO THE RECOVERY FROM A
4. NAMEPLATE RATING (GROSS MWE): _ 1100 FEEDWATER HEATER DRAIN VALVE
5. DESIGN ELECTRICAL RATING (NET MWE): MO5 MALFUNCTION.
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 11_45
7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 1105
8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7 ) SINCE LAST REPORT, GIVE REASONS: -
9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE):
10. REASONS FOR RESTRICTIONS,IF ANY:

THIS MONTH YR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 5,855 92,759
12. NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 4.974.7 77,198.4
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
14. HOURS GENERATOR ON-LINE 744.0 4,831,1 75,831.0
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
16. GROSS THERMAL ENERGY GENERATED (MWH) 2,564,148 15,641,964 235,782,859
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 843,000 5,117,200 76,751,880
18. NET ELECTRICAL ENERGY GENERATED (MWH) 815,525 4,932.268 73,723,740 PAGE 1 OF 2

OPERATING DATA REPORT (CONTINUED) -

DOCKET NO. 50 -352 DATE SEPTEMBER 11,1996 THIS MONTH YR-TMATE CUMULATIVE

19. UNIT SERVICE FACTOR 100.0 % 82.5 % 81.8 %
20. UNIT AVAILABILITY FACTOR 100.0 % 82.5 % 81.8 %
21. UNIT CAPACITY FACTOR (USING MDC NET) 99.2 % 76.8 % 75.1 %
22. UNIT CAPACITY FACTOR (USING DER NET) 99.2 % 76.8 % 75.1 %
23. UNIT FORCED OUTAGE RATE .0 % 5.2 % 4.4 %
24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):
25. IF SHUTDOWN AT THE END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:
26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATIONS): FORECAST ACHIEVED INtTIAL CRITICALITY 12/1W34 12/22/84 INITIAL ELECTRICITY MID APRIL 85 04/1365 COMMERCIAL OPERATION IST QTR 86 0201/86 PAGE 2 OF 2

.m . . . _ . _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ,

~

UNIT SHUTDOWNS AND POWER REDUCTIONS .

DOCKET NO. 50-352 ,

UNIT NAME UMERICKUNIT1 DATE SEPTEMBER 11,1996 .

COMPLETED BY PECO ENERGY COMPANY DAVID R. HENRICKS --

REPORTS ENGINEER SITE ENGINEERING UMERICK GENERATING STATION REPORT MONTH AUGUST,1996 TELEPHONE (610)7183772 METHOD OF UCENSEE SYSTEM COMPONENT CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN EVENT CODE CODE ACTION TO NO. DATE (1) (HOURS) (2) REACTOR (3) REPORT # (4) (5) PREVENT RECURRENCE 140 980802 F 0.0 A 4 N/A HA ACCUMU REACTOR POWER WAS REDUCED TO 98% DUE TO HCU ACCUMUI.ATOR TROUBLE SHOOTING AND REPAIR.

1 01 980802 S 0.0 B 4 N/A RB CONROD REACTOR POWER WAS REDUCED TO 90% DUE TO CONTROL ROD PATTERN ADJUSTMENT.

142 980802 F 0.0 A 4 N/A CH VALVEX REACTOR POWER WAS REDUCED TO 77% DUE TO A FEEDWATER HEATER DRAIN VALVE MALFUNCTION.

143 980809 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

144 900817 S 0.0 B 4 N/A CC VALVEX REACTOR POWER WAS REDUCED TO 91% DUE TO MAIN TURBINE AND MAIN STEAM ISOLATION VALVE TESTING.

145 980824 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

, 146 980831 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

TOTAL HOURS 0.0 (1) (2) (3) (4)

F-FORCED REASON METHOD EXHIBIT G -INSTRUCTIONS S - SCHEDULED A - EQUIPMENT FAILURE (EXPLAIN) 1 - MANUAL FOR PREPARATION OF DATA B- MAINTENANCE OR TEST 2-MANUAL SCRAM ENTRY SHEETS FOR UCENSEE C-REFUEUNG 3- AUTOMATIC SCRAM EVENT REPORT (LER)

D - REGULATORY RESTRICTION 4-OTHER (EXPLAIN) FILE (NUREG-0181)

E - OPERATOR TRAINING + UCENSE EXAMINATION F - ADMINISTRATIVE (5)

G- OPERATIONAL ERROR (EXPLAIN) EXHIBIT I- SAME SOURCE H -OTHER (EXPLAIN)

1 I- - '

Docket No. 50-353 Attachment to Monthly Operating Report for August 1996 Limerick Generating Station Unit 2 August 1 through August 31,1996 l

l. Narrative Summary of Operatina Experiences Unit 2 began the month of August 1996 at a nominal 100% of rated thermal power (RTP).

I On August 3,1996 at 2111 hours0.0244 days <br />0.586 hours <br />0.00349 weeks <br />8.032355e-4 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP at 2328 hours0.0269 days <br />0.647 hours <br />0.00385 weeks <br />8.85804e-4 months <br />.

]

On August 9,1996 at 2330 hours0.027 days <br />0.647 hours <br />0.00385 weeks <br />8.86565e-4 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP on August 10,1996 at 0050 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />.

l On August 10,1996 at 2354 hours0.0272 days <br />0.654 hours <br />0.00389 weeks <br />8.95697e-4 months <br />, power was reduced to 88% RTP for a rod pattom adjustment and main turbine valve testing. Power was restored to 100% RTP on August 11,1996 at 0831 hours0.00962 days <br />0.231 hours <br />0.00137 weeks <br />3.161955e-4 months <br />.

On August 16,1996 at 2250 hours0.026 days <br />0.625 hours <br />0.00372 weeks <br />8.56125e-4 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP on August 17,1996 at 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />.

J On August 24,1996 at 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, power was reduced to 98% RTP for main turbine j valve testing. Power was restored to 100% RTP at 0250 hours0.00289 days <br />0.0694 hours <br />4.133598e-4 weeks <br />9.5125e-5 months <br />.  ;

i On August 27,1996 at 0254 hours0.00294 days <br />0.0706 hours <br />4.199735e-4 weeks <br />9.6647e-5 months <br />, power was reduced to 98% RTP due to loss of core thermal power MW indication. Power was restored to 100% RTP at 0539 hours0.00624 days <br />0.15 hours <br />8.912037e-4 weeks <br />2.050895e-4 months <br />.

On August 28,1996 at 1235 hours0.0143 days <br />0.343 hours <br />0.00204 weeks <br />4.699175e-4 months <br />, power was reduced to 98% RTP due to computer point for RWCU flow indication out of service. Power was restored to 100% RTP at 1543 hours0.0179 days <br />0.429 hours <br />0.00255 weeks <br />5.871115e-4 months <br />.

On August 31,1996 at 0130 hours0.0015 days <br />0.0361 hours <br />2.149471e-4 weeks <br />4.9465e-5 months <br />, power was reduced to 98% RTP for main turbine valve testing. Power was restored to 100% RTP at 0239 hours0.00277 days <br />0.0664 hours <br />3.95172e-4 weeks <br />9.09395e-5 months <br />.

Unit 2 ended this operating period at 100% of RTP.

II. Challences to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of August.

I l

I  !

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AVERAGE DAILY POWER LEVEL .

DOCKET NO. 50-353

  • UNIT LIMERICKUNIT2 DATE SEPTEMBER 11,1996 ,

COMPANY PECO ENERGY COMPANY DAVID R. HENRICKS ,

REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610)718-3772 MONTH AUGUST,1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-NET) (MWE-NET) 1 1110 17- 1116 2 1115 18 1115 3 1107 19 1112 4 1119 20 1115 -

5 1111 21 1113 6 1107 22 1111 7 1106 23 1107 8 1109 24 1107 9 1118 25 1115 10 1109 26 1118 11 1055 27 1110 12 1120 28 1112 13 1116 29 1111 14 1120 30 1120 15 1116 31 1116 16 1112

OPERATING DATA REPORT -

DOCKET NO. 50-353

  • DATE SEPTEMBER 11,1996 ,

COMPLETED BY PECO ENERGY COMPANY DAVID R. HENRICKS ,

REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610) 718-3772 OPERATING STATUS

1. UNIT NAME: LIMERICK UNIT,2 NOTES: THERE WERE NO LOAD DROP
2. REPORTING PERIOD: AU_ GUST,1996, GREATER THAN 20% THIS MONTH.
3. LICENSED THERMAL POWER (MWT) -

3458

4. NAMEPLATE RATING (GROSS MWE): _ 1163
5. DESIGN ELECTRICAL RATING (NET MWE): 1115
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): _ 1155 ,
7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 1115
8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7 ) SINCE LAST REPORT, GIVE REASONS: -
9. POWER LEVEL TO WHICH RESTRICTED,IF ANY(NET MWE):
10. REASONS FOR RESTRICTIONS,IF ANY:

THIS MONTH YR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 5,855 58,271
12. NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 5,832.0 53,364.8
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
14. HOURS GENERATOR ON-LINE 744.0 5,708.7 52,358.5
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0
16. GROSS THERMAL ENERGY GENERATED (MWH) 2,585.247 19,800,003 168,155,335
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 855.700 6,581,200 55,050,000
18. NET ELECTRICAL ENERGY GENERATED (MWH) 826,781 6,364,259 53,857,890 PAGE 1 OF 2

OPERATING DATA REPORT (CONTINUED) '

DOCKET NO. 50-353 -

DATE SEPTEMBER 11,1996 ,

THIS MONTH YR-TO-DATE CUMULATIVE

19. UNIT SERVICE FACTOR 100.0 % 98.5 % 89.9 %
20. UNIT AVAILABILITY FACTOR 100.0 % 98.5 % ' 89.9 %
21. UNIT CAPACITY FACTOR (USING MDC NET) 99.7 % 97.5 % 86.0 %
22. UNIT CAPACITY FACTOR (USING DER NET) 99.7 % 97.5 % 86.0 %
23. UNIT FORCED OUTAGE RATE .0 % 1.5 % 3.1 %
24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):

MAINTENANCE OUTAGE FOR SRV WORK SCHEDULED FOR 10F21/96 LASTING 6 DAYS. REFUELING OUTAGE SCHEDULED FOR 1/2497 LASTING 22 DAYS.

25. IF SHUTDOWN AT THE END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP;
26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATIONS): FORECAST ACHIEVED INITIAL CRITICALITY 08/12/89 08/12/89 INITIAL ELECTRICITY OlkD1Al9 0001/89 COMMERCIAL OPERATION 0201/90 01/0890 PAGE 2 OF 2

UNIT SHUTDOWNS AND POWER REDUCTIONS ,

DOCKETNO. 50-353 UNITNAME LIMERfCKUNIT2

, [

~

DATE SEPTEMBER 11,1998 .

COMPLETED BY PECO ENERGY COMPANY -

DAVID R. HENRICKS -

REPORTS ENGINEER SITE ENGINEERING UMERICK GENERATING STATION REPORT MONTH AUGUST,1996 TELEPHONE (610)718,3772 METHOD OF UCENSEE SYSTEM COMPONENT CAUSE AND CORRECTIVE TYPE DURATION REASON SHUTTING DOWN EVENT CODE CODE ACTION TO NO. DATE (1) (HOURS) (2) REACTOR (3) REPORT # (4) (5) PREVENT RECURRENCE 129 900803 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBlNE VALVE TESTING.

130 900809 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

131 980810 S 0.0 B 4 N/A RB CONROD REACTOR POWER WAS REDUCED TO 88% DUE TO ROD PATTERN ADJUSTMENT AND MAIN TURBINE -

VALVE TESTING.

132 980816 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO -

MAIN TURBINE VALVE TESTING.

133 980824 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

134 980827 F 0.0 A 4 N/A IE INSTRU REACTOR POWER WAS REDUCED TO 98% DUE TO THE LOSS OF CORE THERMAL POWER MW INDICATION.

135 980828 F 0.0 A 4 N/A IE INSTRU REACTOR POWER: WAS REDUCED TO 98% DOE TO COMPUTER POINT FOR RWCU FLOWINDICATION OUT OF SERVICE.

136 980831 S 0.0 B 4 N/A HA VALVEX REACTOR POWER WAS REDUCED TO 98% DUE TO MAIN TURBINE VALVE TESTING.

TOTAL HOURS 0.0 (1) (2) (3) (4)

F-FORCED REASON METHOD EXHIBIT G-INSTRUCTIONS S - SCHEDULED A- EQUIPMENT FAILURE (EXPLAIN) 1 -MANUAL FOR PREPARATION OF DATA B - MAINTENANCE OR TEST 2- MANUAL SCRAM ENTRY SHEETS FOR LICENSEE C - REFUEUNG 3- AUTOMATIC SCRAM EVENT REPORT (LER)

D - REGULATORY RESTRICTION 4-OTHER(EXPLAIN)

E - OPERATOR TRAINING + UCENSE EXAMINATION F- ADMINISTRATIVE (5)

G- OPERATIONAL ERROR (EXPLAIN) EXHIBIT I- SAME SOURCE H - OTHER (EXPLAIN)

_ ______________________________ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ . _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

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